0348

Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/348
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Europe
Countries Romania
Document Type Signals Intelligence
Organisations Government Code and Cypher School
People Hastings Ismay

Description

A file of signals intelligence reports, messages, and correspondence issued by the Government Code and Cypher School and sent by the head ('C') of the Secret Intelligence Service (MI6) to the Prime Minister, Winston Churchill. This file includes a BONIFACE report on the Black Sea: noting that flak protection for Varna was to be maintained, from January 9.

Keywords

shipping, German air force, military supplies, military bases, anti-aircraft defence, defence, ports, Eastern Front, German navy

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